Pick a color, and spray whatever you like. Click the green flag to start fresh. All code by me (@kriblo). Art was modified from the Scratch library and the internet. If you're interested, there's an explanation of the math in a costume in the Elbow sprite. Check out my tag in the original project: https://scratch.mit.edu/projects/1035439456 No, I didn't spend much time making the arm look great ;)